Update drone.yml syntax

.drone.yml

@@ -1,17 +1,25 @@
-pipeline:
-    build:
-        image: gcc:4.9
-        commands:
-            - make clean
-            - make
-            - make install
-    gitea_release:
-        image: plugins/gitea-release
-        base_url: https://git.wicak.co
-        secrets: [ gitea_token ]
-        files: bin/*
-        checksum:
-            - sha1
-            - sha256
-        when:
-            event: tag
+kind: pipeline
+type: docker
+name: default
+
+steps: 
+- name: build
+  image: gcc:4.9
+  commands:
+      - make clean
+      - make
+      - make install
+
+- name: gitea_release
+  image: plugins/gitea-release
+  settings:
+      api_key: 
+          from_secret: gitea_token
+      base_url: https://git.wicak.co
+      files: bin/*
+      checksum:
+          - sha1
+          - sha256
+      when:
+          event: tag 
+          branch: master